Games like Sins of a Solar Empire II on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Sins of a Solar Empire II are available at the bottom of the page.

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Supreme Commander For a thousand years, three opposing forces have waged war for what they believe is true. There can be no room for compromise: their way is the only way. Dubbed The Infinite War, this devastating conflict has taken its toll on a once-peaceful galaxy and has only served to deepen the hatred between the factions.

Similarity 64%
Price -75% 2.50€
Rating 8.6
Release 28 Sep 2011
Supreme Commander: Forged Alliance The last days of man are at hand.. Two years after the Infinite War the once great warring nations now lie in ruins, and humanity’s hope for a brighter future is nothing but a bitter memory. A new, seemingly unstoppable enemy, supported by the zealots of The Order, now seeks to eradicate mankind: UEF, Aeon Loyalist, and Cybran alike.

Similarity 64%
Price -69% 3.11€
Rating 9.4
Release 28 Sep 2011
Stellaris Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.

Similarity 64%
Price -85% 6.07€
Rating 8.5
Release 09 May 2016
Grey Goo Fight for control of a frontier world. Gather resources, build your base, and command your forces in battle. Survive long enough to unleash your ultimate weapon - THE EPIC.

Similarity 64%
Price 27.99€
Rating 6.6
Release 23 Jan 2015
Sins of a Solar Empire: Trinity® In Sins of a Solar Empire: Trinity, you are the leader of a civilization embroiled in a galactic war, fighting for the survival of your entire race against relentless foes.

Similarity 63%
Price 9.75€
Rating 7.4
Release 16 Nov 2011
Planet S Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction.

Similarity 63%
Price Free to play
Rating 8.8
Release 28 Oct 2023
Supreme Commander 2 Includes 47 Steam achievements, leaderboards, and stats!

Similarity 62%
Price -76% 3.17€
Rating 8.6
Release 01 Mar 2010
Warhammer 40,000: Dawn of War II - Anniversary Edition All of Warhammer 40,000: Dawn of War II in one package. Play the award-winning real-time strategy game in all its glory, including three full campaigns, six multiplayer factions, and a full co-op Last Stand mode with eight unique heroes.

Similarity 62%
Price 44.99€
Rating 8.6
Release 18 Feb 2009
Dune: Spice Wars A 4X real-time strategy game from the developers of the critically acclaimed Northgard. Set in Frank Herbert’s groundbreaking Dune universe, you must lead your faction and battle for control and dominance over the harsh desert planet of Arrakis.

Similarity 62%
Price -70% 10.52€
Rating 7.8
Release 14 Sep 2023
Distant Worlds 2 Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.

Similarity 61%
Price -99% 0.35€
Rating 6.9
Release 10 Mar 2022
Original War An American geological expedition, under a UN mandate, assesses the natural resources in a distant part of Siberia, deep in the trackless steppes of Eastern Russia. But instead of oil, they discover a deposit of a hitherto unknown mineral.

Similarity 61%
Price -80% 1.99€
Rating 9.0
Release 27 Jan 2014
Planets Under Attack Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.

Similarity 61%
Price -98% 0.26€
Rating 7.0
Release 27 Sep 2012
Iron Marines Real-time strategy battles in amazing sci-fi worlds! Command brave soldiers, mighty mechas and powerful aliens to face the greatest challenges in hostile alien worlds. The galaxy needs you!

Similarity 61%
Price -53% 5.99€
Rating 7.5
Release 15 May 2019
Gods and Idols Take the role of a newly ascended deity in Gods and Idols. Carve your place among the stars in an open, dynamic, and massive MMORTS universe. Command the powers of the cosmos, form alliances, and use your worshipers as instruments to further your goals.

Similarity 60%
Price Free to play
Rating 6.8
Release 12 Dec 2016
Interstellar Space: Genesis Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!

Similarity 60%
Price -99% 0.45€
Rating 7.9
Release 25 Jul 2019
Planetary Annihilation: TITANS Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!

Similarity 59%
Price -76% 6.21€
Rating 8.3
Release 18 Aug 2015
Halo Wars: Definitive Edition Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.

Similarity 59%
Price 19.99€
Rating 8.8
Release 20 Apr 2017
Galactic Civilizations IV Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.

Similarity 59%
Price 38.99€
Rating 7.1
Release 19 Oct 2023
STAR WARS™ Galactic Battlegrounds Saga Lead the great armies of the Star Wars™ Episode II: Attack of the Clones saga in intense real-time strategy clashes. Enter the fray as the Galactic Empire, Rebel Alliance, Wookies, Trade Federation, Gungans or Royal Naboo to determine the course of the Galactic Civil War.

Similarity 59%
Price 5.89€
Rating 8.8
Release 01 Mar 2016
Multiwinia Multiwinia is a fast-paced, retro-inspired RTS that blends arcade action with strategic depth. Command armies of Multiwinians in multiplayer battles across vibrant, nostalgic environments. With simple controls and dynamic gameplay, it offers endless fun and challenge for players of all skill levels.

Similarity 58%
Price 9.75€
Rating 7.7
Release 19 Sep 2008
Pandora: First Contact Pandora: First Contact is a science fiction 4X turn-based strategy game on a planetary scale. Our Earth has been exhausted and colonial attempts on other planetary bodies have been in vain. Finally, after decades of exploration, an interstellar probe has brought promise of a new world.

Similarity 57%
Price 28.99€
Rating 6.1
Release 30 May 2014
BattleGroupVR BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship.

Similarity 57%
Price -98% 0.42€
Rating 8.7
Release 31 Jul 2023
NEBULOUS: Fleet Command Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.

Similarity 57%
Price -77% 6.90€
Rating 8.0
Release 11 Feb 2022
ICBM: Escalation ICBM: Escalation is a grand RTS where you command armies, develop cutting-edge tech, and wield devastating weapons. Conquer enemies with conventional forces or nuclear firepower. With new modes like Standoff and Conquest, the game offers deep strategic layers in a global warfare setting.

Similarity 57%
Price -50% 14.52€
Rating 8.3
Release 21 Nov 2024

Most played games like Sins of a Solar Empire II on Steam

Take a look at the top games like Sins of a Solar Empire II that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.

1. Sid Meier’s Civilization® VI

Similarity 44% Expand your empire, advance your culture and go head-to-head against history’s greatest leaders. Will your civilization stand the test of time? Sid Meier’s Civilization® VI is a strategy, turn-based strategy and multiplayer game developed by Firaxis Games, Aspyr (Mac) and Aspyr (Linux) and published by Aspyr (Mac), Aspyr (Linux) and 2K. Released on October 20th 2016 has received 349,920 reviews of which 304,053 were positive and 45,867 were negative resulting in a rating of 8.6 out of 10. The game has hit the top spot as the #1 most played game like Sins of a Solar Empire II, thanks to its 25,209 peak concurrent players over the last day.
8.6
304,053
45,867

25,209
players

2. Age of Empires II: Definitive Edition

Similarity 52% 42 Civilizations, 229 Campaign Missions, Singleplayer, Co-Op, Multiplayer, In-Game Editor, Mods, Cross-play...It is good to be the king. Age of Empires II: Definitive Edition is a strategy, rts and city builder game developed by Forgotten Empires, Tantalus Media, Wicked Witch, World's Edge and CaptureAge and published by Xbox Game Studios. Released on November 14th 2019 has received 162,462 reviews of which 154,061 were positive and 8,401 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 17,203 players online at once in the last 24 hours, this game is currently ranked #2 among games like Sins of a Solar Empire II based on player count.
9.4
154,061
8,401

17,203
players

3. Stellaris

Similarity 64% Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities. Stellaris is a space, grand strategy and strategy game developed by Paradox Development Studio and published by Paradox Interactive. Released on May 09th 2016 has received 185,433 reviews of which 159,527 were positive and 25,906 were negative resulting in a rating of 8.5 out of 10. While seeing 15,712 players online at once in the last 24 hours, this game is currently ranked #3 among games like Sins of a Solar Empire II based on player count.
8.5
159,527
25,906

15,712
players

4. Sid Meier's Civilization® V

Similarity 44% Create, discover, and download new player-created maps, scenarios, interfaces, and more! Sid Meier's Civilization® V is a turn-based strategy, strategy and turn-based game developed by Firaxis Games, Aspyr (Mac) and Aspyr (Linux) and published by Aspyr (Mac), Aspyr (Linux) and 2K. Released on September 23rd 2010 has received 204,265 reviews of which 195,724 were positive and 8,541 were negative resulting in an impressive rating of 9.5 out of 10. With 14,891 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Sins of a Solar Empire II.
9.5
195,724
8,541

14,891
players

5. Bloons TD 6

Similarity 41% The Bloons are back and better than ever! Get ready for a massive 3D tower defense game designed to give you hours and hours of the best strategy gaming available. Bloons TD 6 is a tower defense, strategy and multiplayer game developed and published by Ninja Kiwi. Released on December 17th 2018 has received 353,960 reviews of which 344,269 were positive and 9,691 were negative resulting in an impressive rating of 9.6 out of 10. With 9,320 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Sins of a Solar Empire II.
9.6
344,269
9,691

9,320
players

6. Age of Empires IV: Anniversary Edition

Similarity 51% Celebrating its first year of delighting millions of global players, the award-winning and best-selling strategy franchise continues with Age of Empires IV: Anniversary Edition, putting you at the center of even more epic historical battles that shaped the world. Age of Empires IV: Anniversary Edition is a strategy, rts and base-building game developed by Relic Entertainment, Forgotten Empires, Climax Studios and World's Edge and published by Xbox Game Studios. Released on October 28th 2021 has received 80,870 reviews of which 69,559 were positive and 11,311 were negative resulting in a rating of 8.5 out of 10. With 7,469 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Sins of a Solar Empire II.
8.5
69,559
11,311

7,469
players

7. Age of Empires III: Definitive Edition

Similarity 49% Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product. Age of Empires III: Definitive Edition is a strategy, base-building and rts game developed by World's Edge, Tantalus Media and Forgotten Empires and published by Xbox Game Studios. Released on October 15th 2020 has received 48,342 reviews of which 40,941 were positive and 7,401 were negative resulting in a rating of 8.3 out of 10. With 3,894 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Sins of a Solar Empire II.
8.3
40,941
7,401

3,894
players

8. STAR WARS™ Empire at War - Gold Pack

Similarity 77% Command or corrupt an entire galaxy in the definitive Star Wars strategy collection. It is a time of galactic civil war. Will you take up the reins of the Rebellion, assume control of the Empire, or rule the Star Wars Underworld? STAR WARS™ Empire at War - Gold Pack is a strategy, rts and space game developed by Petroglyph and published by LucasArts, Lucasfilm and Disney. Released on May 25th 2010 has received 39,435 reviews of which 38,503 were positive and 932 were negative resulting in an impressive rating of 9.6 out of 10. With 3,114 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Sins of a Solar Empire II.
9.6
38,503
932

3,114
players

9. Age of Empires II (Retired)

Similarity 50% Age of Empires II has been re-imagined in high definition. With the release of Age of Empires II: Definitive Edition, this product will not be updated further. Age of Empires II (Retired) is a strategy, rts and medieval game developed by SkyBox Labs, Hidden Path Entertainment, Ensemble Studios and Forgotten Empires and published by Xbox Game Studios. Released on April 09th 2013 has received 101,351 reviews of which 97,083 were positive and 4,268 were negative resulting in an impressive rating of 9.4 out of 10. With 2,893 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Sins of a Solar Empire II.
9.4
97,083
4,268

2,893
players

10. Age of Mythology: Retold

Similarity 46% From the creators of the award-winning Age of Empires franchise, Age of Mythology: Retold goes beyond history to a mythical age where gods, monsters, and humans collide. Age of Mythology: Retold is a strategy, 3d and rts game developed by World's Edge, Forgotten Empires, Tantalus Media, CaptureAge and Virtuos Games and published by Xbox Game Studios. Released on September 04th 2024 has received 16,708 reviews of which 15,043 were positive and 1,665 were negative resulting in a rating of 8.8 out of 10. With 2,556 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Sins of a Solar Empire II.
8.8
15,043
1,665

2,556
players

Best deals on games like Sins of a Solar Empire II on Steam

Discover fantastic savings with the best discounts on a variety of games like Sins of a Solar Empire II available on Steam right now, updated on June 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Sins of a Solar Empire II.

1. Starship Troopers: Terran Command

Similarity 56% Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes! Starship Troopers: Terran Command is a strategy, rts and singleplayer game developed by The Artistocrats and published by Slitherine Ltd.. Released on June 16th 2022 has received 10,784 reviews of which 9,461 were positive and 1,323 were negative resulting in a rating of 8.5 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Sins of a Solar Empire II.
8.5
9,461
1,323

-99% 28.99€ 0.46€

2. Battlestar Galactica Deadlock

Similarity 57% In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival? Battlestar Galactica Deadlock is a strategy, space and sci-fi game developed by Black Lab Games and published by Slitherine Ltd.. Released on August 31st 2017 has received 3,460 reviews of which 2,906 were positive and 554 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Sins of a Solar Empire II.
8.1
2,906
554

-99% 38.99€ 0.48€

3. Old World

Similarity 42% Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind? Old World is a strategy, simulation and 4x game developed by Mohawk Games and published by Hooded Horse. Released on May 18th 2022 has received 4,673 reviews of which 3,841 were positive and 832 were negative resulting in a rating of 8.0 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Sins of a Solar Empire II.
8.0
3,841
832

-99% 39.99€ 0.48€

4. Interstellar Space: Genesis

Similarity 60% Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy! Interstellar Space: Genesis is a strategy, indie and 4x game developed and published by Praxis Games. Released on July 25th 2019 has received 772 reviews of which 648 were positive and 124 were negative resulting in a rating of 7.9 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like Sins of a Solar Empire II.
7.9
648
124

-99% 27.99€ 0.45€

5. Age of Wonders III

Similarity 45% Age of Wonders III is the long anticipated sequel to the award-winning strategy series. Delivering a unique mix of Empire Building, Role Playing and Warfare, Age of Wonders III offers the ultimate in turn-based fantasy strategy for veterans of the series and new players alike! Age of Wonders III is a strategy, turn-based strategy and fantasy game developed by Triumph Studios and published by Paradox Interactive. Released on March 31st 2014 has received 12,578 reviews of which 10,093 were positive and 2,485 were negative resulting in a rating of 7.9 out of 10. Currently offered at a significant 99% discount, this title has earned the #5 position in the best deals for games like Sins of a Solar Empire II.
7.9
10,093
2,485

-99% 29.99€ 0.42€

6. Homeworld: Deserts of Kharak

Similarity 72% A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive. Homeworld: Deserts of Kharak is a strategy, rts and sci-fi game developed by Blackbird Interactive and published by Gearbox Publishing. Released on January 20th 2016 has received 8,519 reviews of which 6,789 were positive and 1,730 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 99% discount, this title has earned the #6 position in the best deals for games like Sins of a Solar Empire II.
7.8
6,789
1,730

-99% 45.99€ 0.88€

7. Driftland: The Magic Revival

Similarity 42% After a devastating war between ancient mages, a powerful spell is all that holds together the shattered planet of Driftland. Take on the role of a powerful mage capable of moving and connecting floating lands, develop a mighty empire, and restore Driftland to its former glory! Driftland: The Magic Revival is a rts, 4x and god game game developed and published by Star Drifters. Released on April 18th 2019 has received 1,930 reviews of which 1,407 were positive and 523 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 99% discount, this title has earned the #7 position in the best deals for games like Sins of a Solar Empire II.
7.1
1,407
523

-99% 16.99€ 0.31€

8. Distant Worlds 2

Similarity 61% Distant Worlds 2 is a vast, pausable real-time 4X space strategy game. Distant Worlds 2 is a strategy, simulation and 4x game developed by CodeForce and published by Slitherine Ltd.. Released on March 10th 2022 has received 3,237 reviews of which 2,304 were positive and 933 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 99% discount, this title has earned the #8 position in the best deals for games like Sins of a Solar Empire II.
6.9
2,304
933

-99% 48.99€ 0.35€

9. XCOM: Enemy Unknown

Similarity 41% The XCOM: Enemy Unknown - Slingshot Pack is Now Available! XCOM: Enemy Unknown is a turn-based strategy, tactical and strategy game developed by Firaxis Games and Feral Interactive (Linux) and published by Feral Interactive (Linux) and 2K. Released on October 11th 2012 has received 56,414 reviews of which 52,717 were positive and 3,697 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Sins of a Solar Empire II.
9.2
52,717
3,697

-98% 19.99€ 0.47€

10. BattleGroupVR

Similarity 57% BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship. BattleGroupVR is a space sim, space and vr game developed and published by SpaceOwl Games. Released on July 31st 2023 has received 902 reviews of which 834 were positive and 68 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like Sins of a Solar Empire II.
8.7
834
68

-98% 20.99€ 0.42€

Free games like Sins of a Solar Empire II on Steam

Check out this fantastic list of free-to-play games like Sins of a Solar Empire II you can enjoy on Steam right now, updated on June 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Sins of a Solar Empire II.

1. Age of Empires III: Definitive Edition

Similarity 49% Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product. Age of Empires III: Definitive Edition is a strategy, base-building and rts game developed by World's Edge, Tantalus Media and Forgotten Empires and published by Xbox Game Studios. Released on October 15th 2020 has received 48,342 reviews of which 40,941 were positive and 7,401 were negative resulting in a rating of 8.3 out of 10. With 3,894 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Sins of a Solar Empire II.
8.3
40,941
7,401

3,894
players

2. War Selection

Similarity 45% War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map. War Selection is a strategy, base-building and free to play game developed and published by Glyph Worlds. Released on October 08th 2019 has received 21,854 reviews of which 18,745 were positive and 3,109 were negative resulting in a rating of 8.4 out of 10. Thanks to its free to play tag and a daily player base of 579, this game has secured the #2 spot in the ranking of free games like Sins of a Solar Empire II.
8.4
18,745
3,109

579
players

3. EMERGENCY

Similarity 49% Save lives – be a hero! Join forces against the chaos in the newest title of the award-winning EMERGENCY series. Take up your shift as incident commander and coordinate with other players to fight fires, arrest gangsters and rescue injured civilians. Your city needs you! EMERGENCY is a free to play, multiplayer and strategy game developed and published by Sixteen Tons Entertainment. Released on August 15th 2023 has received 5,564 reviews of which 3,797 were positive and 1,767 were negative resulting in a rating of 6.7 out of 10. Thanks to its free to play tag and a daily player base of 235, this game has secured the #3 spot in the ranking of free games like Sins of a Solar Empire II.
6.7
3,797
1,767

235
players

4. Star Trek Timelines

Similarity 47% Explore the Final Frontier in the ultimate sci-fi strategy RPG, Star Trek Timelines! Join Starfleet and overcome challenges as you boldly go where no game has gone before – across the entire history of Star Trek. Star Trek Timelines is a free to play, strategy and space game developed and published by Tilting Point. Released on July 12th 2017 has received 1,430 reviews of which 938 were positive and 492 were negative resulting in a rating of 6.4 out of 10. Attracting a solid base of 171 players due to its free access, this strategy game has achieved the #4 position in the best free games like Sins of a Solar Empire II.
6.4
938
492

171
players

5. Zero-K

Similarity 49% With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps. Zero-K is a strategy, free to play and rts game developed and published by Zero-K Team. Released on April 27th 2018 has received 3,922 reviews of which 3,678 were positive and 244 were negative resulting in an impressive rating of 9.0 out of 10. Attracting a solid base of 141 players due to its free access, this strategy game has achieved the #5 position in the best free games like Sins of a Solar Empire II.
9.0
3,678
244

141
players

6. Pixel Starships

Similarity 54% Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven. Pixel Starships is a sci-fi, space and strategy game developed and published by SavySoda. Released on May 23rd 2023 has received 2,732 reviews of which 2,008 were positive and 724 were negative resulting in a rating of 7.1 out of 10. Attracting a solid base of 125 players due to its free access, this strategy game has achieved the #6 position in the best free games like Sins of a Solar Empire II.
7.1
2,008
724

125
players

7. Hades' Star

Similarity 69% A unique space strategy game where thousands of players participate in one shared galaxy. Hades' Star is a free to play, space and strategy game developed and published by Parallel Space Inc. Released on February 27th 2019 has received 2,577 reviews of which 1,874 were positive and 703 were negative resulting in a rating of 7.1 out of 10. The game currently holds the #7 spot among the most played free games like Sins of a Solar Empire II.
7.1
1,874
703

91
players

8. My Lands: Black Gem Hunting

Similarity 44% My Lands is a free online RTS where dark and light forces fight for Black Gem and dominion in a vast fantasy world. Cooperation between players, joint economy development, creation of clans and alliances and elaboration of a team strategy serve as the very foundation of the game. My Lands: Black Gem Hunting is a strategy, free to play and rts game developed by Gravvit Ltd and Forbes Consult Ltd and published by ELYLAND INVESTMENT COMPANY Ltd. Released on September 16th 2014 has received 3,306 reviews of which 2,766 were positive and 540 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #8 spot among the most played free games like Sins of a Solar Empire II.
8.1
2,766
540

53
players

9. AirMech

Similarity 43% AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious! AirMech is a free to play, strategy and multiplayer game developed and published by Carbon Games. Released on March 30th 2018 has received 10,679 reviews of which 8,984 were positive and 1,695 were negative resulting in a rating of 8.2 out of 10. The game currently holds the #9 spot among the most played free games like Sins of a Solar Empire II.
8.2
8,984
1,695

45
players

10. World War Armies

Similarity 44% World War Armies is the ultimate PvP real-time strategy game. Command advanced war machines and compete for free against other players worldwide. Revolutionary mechanics reduce downtime and focus on direct engagement with the enemy, you get to the fun parts of RTS faster. World War Armies is a rts, pvp and strategy game developed and published by Hypemasters and Inc.. Released on May 02nd 2024 has received 763 reviews of which 474 were positive and 289 were negative resulting in a rating of 6.1 out of 10. The game currently holds the #10 spot among the most played free games like Sins of a Solar Empire II.
6.1
474
289

42
players